/**
 * JFunny - A funny programming language
 * Copyright (C) 2013  fanguangping
 * Any problem email me: fguangping@gmail.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 **/
package org.jfunny.core.parser;

/**
 * 泛语言中的关键字
 * 
 * @author fanguangping
 *
 */
public class Token {
	public Token(String name) {
		this.name = name;
	}

	public String toString() {
		return name;
	}

	public final String name;

	public static final Token STATEMENT = new Token("statement");
	public static final Token COLON = new Token(":");
	public static final Token AS = new Token("->");
	public static final Token SEMICOLON = new Token(";");
	public static final Token PAREN_L = new Token("{");
	public static final Token PAREN_R = new Token("}");

	//BNF token
	public static final Token BNF_L = new Token("[");
	public static final Token BNF_R = new Token("]");
	public static final Token BNF_OR = new Token("|");
	public static final Token BNF_ZERO_ONE = new Token("?");
	public static final Token BNF_ZERO_MORE = new Token("*");
	public static final Token BNF_ONE_MORE = new Token("+");
}
